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Live Linux kernel patching with progressive timestamped rollouts

In internet connected environments, where Ubuntu instances can reach livepatch.canonical.com, Livepatch Client supports timestamp-based rollout configurations. Organizations can implement controlled and predictable update pipelines from staging to production environments, without the hassle of deploying a self-hosted Livepatch Server, and

Chiseled Ubuntu containers for OpenJRE 8, 17 and 21

Today we are announcing chiseled containers for OpenJRE 8, 17 and 21 (Open Java Runtime Environment), coming from the OpenJDK project. These images are highly optimized for size and security, containing only the dependencies that are strictly necessary. They are available for both AMD64 and ARM64 architectures and benefit from 12 years of

Introducing Canonical builds of OpenJDK

Java has long been the most popular language for software development in large enterprises, with 90% of Fortune 500 companies using it for backend development, particularly in industries like finance, healthcare, and government.  Java developers, more than most, are tasked with balancing the implementation of new features against the crit

Update Livepatch Client for the newest kernel module signing certificate

The kernel engineering team at Canonical has generated a new module signing certificate on May 16, 2025, and it is embedded in all Ubuntu kernels published after that date. Livepatch Client version 10.11.2 published on June 13, 2025 includes this new certificate. Livepatch Client 10.11.2 or greater is required to successfully Livepatch al

How to get a job at Canonical

If you’re interested in applying for a role at Canonical, it can help to have some insider guidance. This article offers practical advice for candidates and some explanation to provide context. A lot has been written on social media about Canonical and our hiring processes. Some of it is even true. I share responsibility for

How is Livepatch safeguarded against bad actors?

What safeguards the Livepatch security patching solution against bad actors and malicious code masquerading as an update? Learn about Secure Boot and module signing.

Accelerating data science with Apache Spark and GPUs

Apache Spark has always been very well known for distributing computation among multiple nodes using the assistance of partitions, and CPU cores have always performed processing within a single partition.  What’s less widely known is that it is possible to accelerate Spark with GPUs. Harnessing this power in the right situation brings imm

Cut data center energy costs with bare metal automation

Data centers don’t have to be power-hungry monsters. With smart automation using tools like MAAS, you can reduce energy waste and operational costs, and make your infrastructure greener, without sacrificing performance or flexibility.


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Build the future of *craft: announcing Starcraft Bounties!

Our commitment to building a thriving open source community is stronger than ever. We believe in empowering impactful contributions, and today, we’re excited to launch a new pilot initiative that puts this vision directly into your hands: the Starcraft Bounties Program. This isn’t just about small fixes; it’s an invitation to tackle signi

Native integration now available for Pure Storage and Canonical LXD

Canonical, the company behind Ubuntu, and Pure Storage, the IT pioneer delivering enterprise-grade all-flash storage, have partnered to introduce a native integration between LXD and Pure Storage FlashArray. This collaboration allows organizations to combine open source virtualization with industry-leading block storage to achieve unmatch

Improving our web page creation workflow: how structured content is slashing design and development time

Co-authored with Julie Muzina A year ago, during our Madrid Engineering Sprint, we challenged ourselves to dramatically reduce, or even eliminate, the need for constant design involvement in the day-to-day creation of web pages. Our strategy for achieving this is based on a smarter, more structured approach to content. The challenge: brid

Ubuntu Core is now available on MediaTek’s Genio platform

This is the first optimized Ubuntu Core image available on MediaTek’s Genio 350, 510, 700, and 1200 platforms released under the strategic partnership between Canonical and MediaTek Inc.  Today Canonical, the publisher of Ubuntu, and MediaTek announce the official Ubuntu Core launch of the very first optimized Ubuntu Core image for MediaT

Effective infrastructure automation to reduce data center costs

To truly reduce OpEx, you must shift your perspective from seeing operations as custom, artisanal work to one where operations are standardized, automated, and repeatable.  In other words, commoditized.

What are our partners building for device makers? Explore the highlights from Ubuntu IoT Day Singapore

Our first Ubuntu IoT Day in Southeast Asia – and our first ever event in Singapore! It was long overdue, as several attendees were quick to remind us. Ubuntu has long been a quiet force in the region, powered by its rich ecosystem of innovators. More than 150 participants came together to represent Southeast Asia’s

Fixes available for local privilege escalation vulnerability in libblockdev using udisks

Qualys discovered two vulnerabilities in various Linux distributions which allow local attackers to escalate privileges. The first vulnerability (CVE-2025-6018) was found in the PAM configuration. This CVE does not impact default Ubuntu installations because of how the pam_systemd.so and pam_env.so modules are invoked. The second vulnerab

Join Canonical at HPE Discover Las Vegas 2025

Canonical, the publisher of Ubuntu and trusted open source solutions provider, is proud to sponsor HPE Discover Las Vegas 2025. Join us from June 23–26 to explore how our collaboration with Hewlett Packard Enterprise (HPE) is transforming the future of enterprise IT, from virtualization and cloud infrastructure to AI/ML workloads. Registe


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